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Ch 1: Intro to Chemistry Flashcards | StudBud
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Ch 1: Intro to Chemistry
Ch 1: Intro to Chemistry
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An introduction to chemistry
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
True or False: The study of alchemy was a waste of time
false
true
2
Which element is organic chemistry focused on?
carbon
nitrogen
oxygen
helium
3
Will the amount of fertilizer used affect the growth of the plant in cm? What is the dependent variable?
growth of the plant
amount of fertilizer
4
Which graph would be best for showing the temperature change over a 12 hour period?
line
pie
bar
5
Which graph would be best for showing the amount of bacterial growth over a 2 week period?
pie
bar
line
6
What were the goals of alchemy (choose all that apply)?
discovering all elements on earth
eternal life
wealth
7
What 4 elements did the ancient Greeks believe were in everything?
air, earth, water, fire
air, earth, sun, water
air, earth, wind, fire
poptarts, m&ms, diet coke, soup
8
Which area of chemistry deals with the composition of matter?
organic chemistry
physical chemistry
biochemistry
analytical chemistry
9
The temperature of a lake was measured at 5 different depths. What is the independent variable
the depth
the temperature
10
Alchemists mixed random items in order to form what element?
nickel
silver
gold
aluminum
11
Which variable is what you are measuring?
control variable
independent variable
dependent variable
12
Which metal was commonly USED in alchemy?
silver
tungston
mercury
nickel
13
True or false? Everyone uses the same version of the scientific method?
True
False
14
Which graph would be best for showing the number of students that prefer Coke or Pepsi?
Pie
Line
Bar
15
In which step of the scientific method do we make graphs?
hypothesis
conclusion
experiment
data
16
In what step of the scientific method, does a scientist test his hypothesis?
observation
problem
experiment/procedure
conclusion
17
What is chemistry?
The study of how matter and energy changes
Science
The study of matter and energy
All of the above
18
Which branch of chemistry deals with living things?
physical chemistry
analytical chemistry
inorganic chemistry
organic chemistry
19
Which variable is the one that you change?
control variable
dependent variable
independent variable
20
How many senses are there(and may be used in an observation)?
2
5
4
7
21
What area of chemistry deals with life processes?
physical chemistry
inorganic chemistry
biochemistry
analytical chemistry
22
Which graph would be best for showing the percentage of the class earning A's, B's, or C's?
Line
Bar
Pie
23
Which graph would be best for showing the number each color of car in the parking lot?
line
bar
pie
24
Which of the following is not a part of organic chemistry?
sugar (carbon, hydrogen, oxygen)
fat (carbon and hydrogen)
salts (sodium and chlorine)
DNA (carbon, hydrogen, oxygen, nitrogen, and phosphorus)
25
How does the amount of water affect the number of lemons produced. The number of lemons is the ____
independent variable
control
dependent variable
constant